Marble Bar Asset Management LLP

Position in RNA — Atrium Therapeutics, Inc.

CIK 1346570 LONDON, X0

Position in RNA

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$1,965,390

New position

Shares Held

147,000

first reported quarter

Ownership

0.859%

of shares outstanding

% of Portfolio

2.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

Marble Bar Asset Management LLP holds $4,395,777 across 3 Biotechnology names. RNA ranks #1 (44.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RNA	Atrium Therapeutics, Inc. This page	147,000	$1,965,390
2	TBPH	Theravance Biopharma, Inc.	85,074	$1,380,751
3	OCUL	Ocular Therapeutix, Inc	123,924	$1,049,636

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,965,390	147,000	—	Shares	Sole	2026-05-14
No filing history on record for this holder in this stock.